CA2553743C - Dispositif et procede pour mesurer le contraste des franges dans un interferometre de michelson, et systeme d'examen de l'oeil incluant un tel dispositif - Google Patents

Dispositif et procede pour mesurer le contraste des franges dans un interferometre de michelson, et systeme d'examen de l'oeil incluant un tel dispositif Download PDF

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Publication number
CA2553743C
CA2553743C CA2553743A CA2553743A CA2553743C CA 2553743 C CA2553743 C CA 2553743C CA 2553743 A CA2553743 A CA 2553743A CA 2553743 A CA2553743 A CA 2553743A CA 2553743 C CA2553743 C CA 2553743C
Authority
CA
Canada
Prior art keywords
arm
interferometer
measuring
beams
michelson
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2553743A
Other languages
English (en)
French (fr)
Other versions
CA2553743A1 (fr
Inventor
Francois Lacombe
David Lafaille
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre National de la Recherche Scientifique CNRS
Mauna Kea Technologies SA
Observatoire de Paris
Original Assignee
Centre National de la Recherche Scientifique CNRS
Mauna Kea Technologies SA
Observatoire de Paris
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centre National de la Recherche Scientifique CNRS, Mauna Kea Technologies SA, Observatoire de Paris filed Critical Centre National de la Recherche Scientifique CNRS
Publication of CA2553743A1 publication Critical patent/CA2553743A1/fr
Application granted granted Critical
Publication of CA2553743C publication Critical patent/CA2553743C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02062—Active error reduction, i.e. varying with time
    • G01B9/02063—Active error reduction, i.e. varying with time by particular alignment of focus position, e.g. dynamic focussing in optical coherence tomography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • A61B3/1225—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes using coherent radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
    • G01B9/02012—Interferometers characterised by controlling or generating intrinsic radiation properties using temporal intensity variation
    • G01B9/02014—Interferometers characterised by controlling or generating intrinsic radiation properties using temporal intensity variation by using pulsed light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02062—Active error reduction, i.e. varying with time
    • G01B9/02067—Active error reduction, i.e. varying with time by electronic control systems, i.e. using feedback acting on optics or light
    • G01B9/02068—Auto-alignment of optical elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02062—Active error reduction, i.e. varying with time
    • G01B9/02067—Active error reduction, i.e. varying with time by electronic control systems, i.e. using feedback acting on optics or light
    • G01B9/02069—Synchronization of light source or manipulator and detector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02075—Reduction or prevention of errors; Testing; Calibration of particular errors
    • G01B9/02076—Caused by motion
    • G01B9/02077—Caused by motion of the object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02075—Reduction or prevention of errors; Testing; Calibration of particular errors
    • G01B9/02078—Caused by ambiguity
    • G01B9/02079—Quadrature detection, i.e. detecting relatively phase-shifted signals
    • G01B9/02081—Quadrature detection, i.e. detecting relatively phase-shifted signals simultaneous quadrature detection, e.g. by spatial phase shifting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/0209—Low-coherence interferometers
    • G01B9/02091—Tomographic interferometers, e.g. based on optical coherence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/70—Using polarization in the interferometer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Optics & Photonics (AREA)
  • Automation & Control Theory (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biophysics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
CA2553743A 2004-01-22 2005-01-21 Dispositif et procede pour mesurer le contraste des franges dans un interferometre de michelson, et systeme d'examen de l'oeil incluant un tel dispositif Expired - Fee Related CA2553743C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0400580 2004-01-22
FR0400580A FR2865538B1 (fr) 2004-01-22 2004-01-22 Dispositif et procede pour mesurer le contraste des franges dans un interferometre de michelson, et systeme d'examen de l'oeil incluant un tel dispositif
PCT/FR2005/000135 WO2005080912A1 (fr) 2004-01-22 2005-01-21 Dispositif et procede pour mesurer le contraste des franges dans un interferometre de michelson, et systeme d'examen de l'oeil incluant un tel dispositif

Publications (2)

Publication Number Publication Date
CA2553743A1 CA2553743A1 (fr) 2005-09-01
CA2553743C true CA2553743C (fr) 2014-07-22

Family

ID=34717340

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2553743A Expired - Fee Related CA2553743C (fr) 2004-01-22 2005-01-21 Dispositif et procede pour mesurer le contraste des franges dans un interferometre de michelson, et systeme d'examen de l'oeil incluant un tel dispositif

Country Status (6)

Country Link
US (1) US7950801B2 (ja)
EP (1) EP1711776B1 (ja)
JP (1) JP2007518998A (ja)
CA (1) CA2553743C (ja)
FR (1) FR2865538B1 (ja)
WO (1) WO2005080912A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007033433A1 (en) * 2005-09-23 2007-03-29 The Australian National University Multi-coherence imaging system and method
JP4907279B2 (ja) * 2005-09-30 2012-03-28 富士フイルム株式会社 光断層画像化装置
JP4994911B2 (ja) * 2007-03-28 2012-08-08 株式会社トプコン 光画像計測装置
NL2001196C2 (nl) * 2008-01-17 2009-07-20 D O R C Dutch Ophthalmic Res C Optisch coherentie tomografie apparaat, alsmede opstelling met een dergelijk apparaat, werkwijze voor het creeren van een optisch coherentie tomografie beeld.
WO2013160890A1 (en) 2012-04-23 2013-10-31 Ben-Gurion University Of The Negev Research & Development Authority True-spectroscopic dual mode high resolution full-field optical coherence tomography using liquid crystal devices
GB201707239D0 (en) 2017-05-05 2017-06-21 Univ Edinburgh Optical system and method
TWI776611B (zh) * 2021-07-27 2022-09-01 國立陽明交通大學 偏振扭轉雙脈衝光產生裝置

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JPS54656B1 (ja) * 1971-06-18 1979-01-13
US3927945A (en) * 1974-10-29 1975-12-23 Harry Eugene Bates Optical coherence and wavelength measurement
US4541697A (en) * 1981-03-03 1985-09-17 Randwal Instrument Co., Inc. Ophthalmic testing devices
EP0403468A1 (de) * 1988-02-14 1990-12-27 LUKOSZ, Walter Integriert-optisches interferenzverfahren
JPH024310A (ja) * 1988-06-16 1990-01-09 Kowa Co 眼科診断方法および装置
FR2665962B1 (fr) 1990-08-14 1993-07-30 Thomson Trt Defense Systeme optique large champ et grande ouverture notamment destine a une voie de nuit pour episcope, et episcope equipe d'un tel systeme optique.
ATA84696A (de) * 1996-05-14 1998-03-15 Adolf Friedrich Dr Fercher Verfahren und anordnungen zur kontrastanhebung in der optischen kohärenztomographie
US5973784A (en) * 1997-01-08 1999-10-26 Electro-Optical Sciences, Inc. Common path, interferometric systems and methods using a birefringent material for topographic imaging
JP3706940B2 (ja) * 1997-05-09 2005-10-19 株式会社トプコン 眼特性測定装置
WO1998038907A1 (en) * 1997-03-06 1998-09-11 Massachusetts Institute Of Technology Instrument for optically scanning of living tissue
US5883692A (en) * 1997-10-01 1999-03-16 Retsan, Inc. Visual field measurement apparatus
US5975699A (en) * 1998-04-29 1999-11-02 Carl Zeiss, Inc. Method and apparatus for simultaneously measuring the length and refractive error of an eye
US6262818B1 (en) * 1998-10-07 2001-07-17 Institute Of Applied Optics, Swiss Federal Institute Of Technology Method for simultaneous amplitude and quantitative phase contrast imaging by numerical reconstruction of digital holograms
FR2791548B1 (fr) 1999-04-01 2001-07-06 Univ Paris Vii Denis Diderot Dispositif d'observation d'un corps a haute resolution
US6086204A (en) * 1999-09-20 2000-07-11 Magnante; Peter C. Methods and devices to design and fabricate surfaces on contact lenses and on corneal tissue that correct the eye's optical aberrations
JP2001091223A (ja) * 1999-09-24 2001-04-06 Olympus Optical Co Ltd 面間隔測定方法及び装置
ES2326788T3 (es) * 1999-10-21 2009-10-20 Technolas Perfect Vision Gmbh Sistema para trazado de perfil corneal personalizado.
DE10042751A1 (de) * 2000-08-31 2002-03-14 Thomas Hellmuth System zur berührungslosen Vermessung der optischen Abbildungsqualität eines Auges
DE10053154B4 (de) 2000-10-26 2011-02-17 Carl Zeiss Meditec Ag Optische Kohärenz-Interferometrie und Kohärenz-Tomographie mit räumlich teilhärenten Lichtquellen
FR2828396B1 (fr) * 2001-08-12 2004-05-07 Samuel Henri Bucourt Dispositif de mesure des aberrations d'un systeme de type oeil
JP4846938B2 (ja) * 2001-08-14 2011-12-28 株式会社トプコン 眼特性測定装置
JP4157839B2 (ja) 2001-08-30 2008-10-01 ユニバーシティー オブ ロチェスター 生体眼の網膜領域撮像方法及びそのシステム
CN1623085A (zh) * 2002-01-24 2005-06-01 通用医疗公司 使用光谱带并行检测的低相干干涉测量法(lci)和光学相干层析成像(oct)信号的测距和降噪的装置和方法
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WO2003105678A2 (en) 2002-06-12 2003-12-24 Advanced Research And Technology Institute, Inc. Method and apparatus for improving both lateral and axial resolution in ophthalmoscopy

Also Published As

Publication number Publication date
EP1711776A1 (fr) 2006-10-18
FR2865538B1 (fr) 2007-10-19
WO2005080912A1 (fr) 2005-09-01
EP1711776B1 (fr) 2016-04-27
US7950801B2 (en) 2011-05-31
JP2007518998A (ja) 2007-07-12
FR2865538A1 (fr) 2005-07-29
US20080225231A1 (en) 2008-09-18
CA2553743A1 (fr) 2005-09-01

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Effective date: 20210831

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